First find the disk using
sudo fdisk -l
Its probably named /sda1 or similar. Then make ext4 using
sudo mkfs.ext4 /dev/sda1
To mount the drive use (e.g. mounting at /c)
sudo mkdir /c sudo mount /dev/sda1 /c sudo chgrp -R users /c sudo chmod -R g+w /c
Setup automount
sudo vim /etc/fstab
Add
/dev/sda1 /c ext4 defaults 0 2
sudo apt-get install fail2ban
Setup firewalls [source]
sudo nano /etc/iptables.firewall.rules
Add these basic rules:
*filter
# Allow all loopback (lo0) traffic and drop all traffic to 127/8 that doesn't use lo0
-A INPUT -i lo -j ACCEPT
-A INPUT -d 127.0.0.0/8 -j REJECT
# Accept all established inbound connections
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
# Allow all outbound traffic - you can modify this to only allow certain traffic
-A OUTPUT -j ACCEPT
# Allow HTTP and HTTPS connections from anywhere (the normal ports for websites and SSL).
-A INPUT -p tcp --dport 80 -j ACCEPT
-A INPUT -p tcp --dport 8888 -j ACCEPT
-A INPUT -p tcp --dport 443 -j ACCEPT
# Allow SSH connections
#
# The -dport number should be the same port number you set in sshd_config
#
-A INPUT -p tcp -m state --state NEW --dport 22 -j ACCEPT
# Allow ping
-A INPUT -p icmp -j ACCEPT
# Log iptables denied calls
-A INPUT -m limit --limit 5/min -j LOG --log-prefix "iptables denied: " --log-level 7
# Drop all other inbound - default deny unless explicitly allowed policy
-A INPUT -j DROP
-A FORWARD -j DROP
COMMIT
Activate via:
sudo iptables-restore < /etc/iptables.firewall.rules
And check:
sudo iptables -L
Now setup auto activation by making file:
sudo nano /etc/network/if-pre-up.d/firewall
And adding:
#!/bin/sh
/sbin/iptables-restore < /etc/iptables.firewall.rules
And make it executable:
sudo chmod +x /etc/network/if-pre-up.d/firewall